![](https://box.kancloud.cn/e335beef4a4e3527660c0ac888ce5c54_1091x291.png =150x) ### **CurvesDomain** * * * * * **Description**: Get the selected curve. **Usage**: Right-button battery, then select 【Select lines】, and pick up straight objects directly in Rhino. **Output**: CurveD: curves domain.